Daily Practice - Higher Plus
Grades 8-9 - exam-stretch algebra, geometry and reasoning.
16th August 2002
- 13d Pythagoras and Trigonometry3 marks
A cuboid measures 6 cm by 10 cm by 12 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
- 2Probability Equation Questions3 marks
A bag holds 2 red and n blue counters. The probability of taking a red is 2/7. Work out n.
- 3Histograms2 marks
On a histogram, a 5-wide bar and a 15-wide bar have the same frequency density of 1.5. How many more values are in the wider class?
- 4Surds3 marks
Rationalise the denominator of 28/sqrt(7), giving your answer in its simplest form.
- 5Transforming Graphs y=f(x)3 marks
The point (0, -6) lies on y = f(x). Write down its image on y = f(x + 3).
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